Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can estimate when to plant echinacea in Harlingen by checking out the USDA zone info.

Planting Calendar for Echinacea

Frost tolerance for echinacea:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Echinacea are barely cold tolerant which means that you can get them planted just a bit earlier than more sensitive plants.

The earliest that you can plant echinacea in Harlingen is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant echinacea and expect a good harvest is probably September. If you wait any later than that and your echinacea may not have a chance to really do well. You can get started a few weeks earlier by starting your echinacea indoors.

Last Frost Date

On average all chance of frost has passed is on February 15 in Harlingen. In the coldest months of winter you can expect an average low temperature of 25°F.

Keep in mind that USDA zone info for Harlingen is just an average and the actual date of last frost changes from year to year. Since half of the time in Harlingen there is a last frost after February 15 be ready to cover your echinacea if you have one of those late frosts.

USDA Zone Info for Harlingen

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Harlingen

You may be interested in your other planting guides for Harlingen.